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Table 4 Modelling the prevalence of asbestosis using logistic regression

From: Modelling prevalence and incidence of fibrosis and pleural plaques in asbestos-exposed populations for screening and follow-up: a cross-sectional study

 

Model 1

Model 2

 

OR

95%CI

p

OR

95%CI

p

Time since first exposure (y)

1.03

1.00, 1.06

0.038

   

Mean exposure (f/ml)

   

1.09

1.04, 1.14

<0.001

Cumulative exposure (10 y.f/ml)

1.03

1.01, 1.04

0.001

   

Age (y)

   

1.07

1.03, 1.11

<0.001

Akaike Information Criterion

446.0

 

427.9

 

Model: Log(P/1-P)=

-4.22+0.031 TSFE(y) +0.0027 cum expo (y.f/ml)

 

-7.55+ 0.088 mean expo (f/ml) +0.068 age(y)

 
  1. OR: Odds Ratio by exposure unit
  2. 95%CI: 95% Confidence Intervals
  3. p: p-value of a test of a zero coefficient
  4. P: Prevalence of asbestosis
  5. TSFE: Time Since First Exposure.